How To Fix VL579 - Decentralized warehouse cannot be reached, therefore display only

SAP Error Message - Details

• Message type: E = Error

• Message class: VL -

• Message number: 579

• Message text: Decentralized warehouse cannot be reached, therefore display only

What causes this issue?

The decentralized Warehouse Management system cannot be reached due to a
connection error.

System Response

The system cannot request the change authorization and switches to
display mode.

How to fix this error?

Repeat the activity later.
If the connection remains interrupted, inform the system administrator.

Procedure for System Administrators

Check the RFC system connection to the decentralized WMS.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message VL579 - Decentralized warehouse cannot be reached, therefore display only ?

  The SAP error message VL579 indicates that the decentralized warehouse cannot be reached, which typically occurs in scenarios where a warehouse management system (WMS) is integrated with SAP but is currently unavailable or not responding. This can happen for various reasons, including network issues, system downtime, or configuration problems.
  Causes of VL579 Error
  
  Network Issues: There may be connectivity problems between the SAP system and the decentralized warehouse management system.
  System Downtime: The decentralized warehouse system may be undergoing maintenance or may be down for some reason.
  Configuration Issues: Incorrect configuration settings in the SAP system or the decentralized warehouse system can lead to communication failures.
  Authorization Issues: The user may not have the necessary authorizations to access the decentralized warehouse.
  Integration Issues: Problems with the middleware or integration layer that connects SAP with the decentralized warehouse can also cause this error.
  
  Solutions to VL579 Error
  
  
  Check Network Connectivity: Ensure that there is a stable network connection between the SAP system and the decentralized warehouse. You can use tools like ping or traceroute to diagnose connectivity issues.
  
  
  Verify System Status: Check if the decentralized warehouse system is up and running. If it is down, coordinate with the IT team to resolve the issue.
  
  
  Review Configuration Settings: Ensure that the configuration settings in both the SAP system and the decentralized warehouse are correct. This includes checking the RFC connections and any relevant parameters.
  
  
  Check Authorizations: Verify that the user has the necessary authorizations to access the decentralized warehouse. This may involve checking user roles and permissions in SAP.
  
  
  Monitor Middleware: If there is middleware involved in the integration, check its status and logs for any errors that might indicate why the connection is failing.
  
  
  Consult Logs: Review the application logs in SAP (transaction SLG1) and the decentralized warehouse system for any error messages that could provide more context on the issue.
  
  
  Contact Support: If the issue persists after checking the above points, consider reaching out to SAP support or your internal IT support team for further assistance.
  
  
  Related Information
  
  Transaction Codes: You may want to use transaction codes like SM21 (System Log) or SLG1 (Application Log) to check for any related error messages or logs.
  Documentation: Refer to SAP documentation or notes related to decentralized warehouse management for specific configuration and troubleshooting steps.
  User Forums: SAP Community and other user forums can be helpful for finding similar issues and solutions shared by other users.
  
  By following these steps, you should be able to diagnose and resolve the VL579 error effectively.